# Electromagnetism Quiz

Quiz by Lilli G, updated more than 1 year ago
 Created by Lilli G over 3 years ago
31
1

### Description

A quiz for KS3 students

## Resource summary

### Question 1

Question
What is magnetism?
• Invisible lines of pressure
• Invisible lines of force
• Invisible lines of power

### Question 2

Question
The magnetic materials are:
• Steel
• Iron
• Copper
• Silver
• Nickel
• Cobalt
• Aluminium

### Question 3

Question
You can increase the strength of an electromagnet by increasing the strength of the [blank_start]current[blank_end] and the [blank_start]number of windings[blank_end].
• current
• number of windings

### Question 4

Question
What is voltage?
• A measure of pressure
• A measure of force
• A measure of current
• A measure of electrical energy

### Question 5

Question
What is current?
• The rate of flow of electrons
• How many windings there are on the electromagnet
• The strength of the commutator

### Question 6

Question
What is Resistance?
• Current multiplied by voltage
• A measure of how much the flow is prevented
• A measure of the time it takes for the electric motor to reach its full capacity

### Question 7

Question
What is given off when current passes through a resistor?
• Force
• Steam
• Smell
• Heat
• Vibration

### Question 8

Question
A current passes through a resistor of 25 Ohm's with 100 volts. What is the strength of the current?
• 2 amps
• 3 amps
• 4 amps
• 5 amps
• 6 amps

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